There has been a critical error on this website. How to Fix it?

I purchased Uray Theme a few days ago from ThemeForest. I tried installing the theme as mentioned in the document.
I tried installing it multiple times, and also tried all technical points that may cause failure but not succeeded.

Getting Below Error:
There has been a critical error on this website. Please check your site admin email inbox for instructions.

Drive Link for Error Screenshot and Error Message:
https://drive.google.com/drive/folders/19NP7SytMu5AV0jdJb53mx0Kjxc-2EKKi?usp=sharing

Pls help us to fix this issue
Thanks & Regards
Rahul